19174994

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 16

約数和(自身を含む): 29224800

約数和(自身を除く): 10049806

約数列:

[1, 2, 131, 163, 262, 326, 449, 898, 21353, 42706, 58819, 73187, 117638, 146374, 9587497, 19174994]

約数ペア:

[(1, 19174994), (2, 9587497), (131, 146374), (163, 117638), (262, 73187), (326, 58819), (449, 42706), (898, 21353)]